class_docstr: Container object for internal datasets.
  Dictionary-like object that exposes its keys as attributes.
code: def __setattr__(self, key, value):
      self[key] = value
  
file_path: alibi/alibi/utils/data.py
imports: import numpy
  import pandas
  from sklearn.preprocessing import LabelEncoder
  from typing import Dict, List, Union
label_desc: Use image node_id 2 for calling the Bunch obj's underlying member method code with example usage: obj.__setattr__(key, value) without return types